“I could spend all day weeping about the bad parts of this career, but I wouldn’t change it … You just buck up and build a thicker skin, you know?” the actress, 27, tells Cosmopolitan magazine in its May issue.

Bell, who is currently dating Dax Shepard, 33, and starring in the upcoming comedy Forgetting Sarah Marshall, denied an alleged romance with Timberlake. In fact, she’s never even come face-to-face with the “SexyBack” singer. “I’ve never even met him, so you can understand why I was surprised to read an article about our torrid love affair,” the Heroes star says.

When asked about the weirdest rumor she has heard about herself Bell replies: “That I got a boob job. I’m barely a B cup!